Rollbar speaker



FIG. 1 is a front elevational view of a rollbar speaker showing my new design;

FIG. 2 is a rear elevational view of the rollbar speaker;

FIG. 3 is a right elevational view of the rollbar speaker;

FIG. 4 is a left elevational view of the rollbar speaker;

FIG. 5 is a top plan view of the rollbar speaker;

FIG. 6 is a bottom plan view of the rollbar speaker;

FIG. 7 is a top front left perspective view of the rollbar speaker; and,

FIG. 8 is a bottom right rear perspective view of the rollbar speaker.

FIGS. 7 and 8 are on an enlarged scale. 

The ornamental design for a rollbar speaker, as shown and described. 